diff --git a/README.md b/README.md
index fc051d0..a3e3943 100644
--- a/README.md
+++ b/README.md
@@ -5,37 +5,35 @@
 - [Professional Programming](#professional-programming)
   - [Must read books](#must-read-books)
   - [Must-read articles](#must-read-articles)
-  - [Things to do](#things-to-do)
+  - [Topics](#topics)
+    - [Know your algorithm and data structures](#know-your-algorithm-and-data-structures)
     - [Attitude & habits](#attitude-&-habits)
+    - [Characters sets](#characters-sets)
     - [Coding](#coding)
+    - [Computer science](#computer-science)
+    - [Databases](#databases)
+    - [Debugging](#debugging)
+    - [Design (visual, UX, UI)](#design-visual-ux-ui)
+    - [Design patterns and anti-patterns](#design-patterns-and-anti-patterns)
+    - [Dev environment & tools](#dev-environment-&-tools)
+    - [Dotfiles](#dotfiles)
+    - [Editors & IDE](#editors-&-ide)
     - [Incident response (outages, firefighting)](#incident-response-outages-firefighting)
+    - [Internet](#internet)
     - [Interviewing](#interviewing)
     - [Managing the database](#managing-the-database)
+    - [Programming language](#programming-language)
+      - [FP vs. OOP](#fp-vs-oop)
     - [Reading](#reading)
     - [Releasing & deploying](#releasing-&-deploying)
     - [Security](#security)
+    - [Shell](#shell)
+    - [System architecture](#system-architecture)
     - [Testing](#testing)
+    - [Version control (Git)](#version-control-git)
+    - [Webdesign](#webdesign)
     - [Writing for performance](#writing-for-performance)
-  - [Things to know](#things-to-know)
-    - [List of things to know](#list-of-things-to-know)
-    - [Know characters sets](#know-characters-sets)
-    - [Know your algorithm and data structures](#know-your-algorithm-and-data-structures)
-    - [Know your concepts](#know-your-concepts)
-    - [Know your editor](#know-your-editor)
-    - [Know your database](#know-your-database)
-    - [Know your dev environment](#know-your-dev-environment)
-    - [Know your shell](#know-your-shell)
-    - [Know your webdesign](#know-your-webdesign)
-    - [Know your dotfiles](#know-your-dotfiles)
-    - [Know your git](#know-your-git)
-    - [Know how the Internet works](#know-how-the-internet-works)
-    - [Know how to debug](#know-how-to-debug)
-    - [Know how to design](#know-how-to-design)
-    - [Know how to architect systems](#know-how-to-architect-systems)
-    - [Know your programming language](#know-your-programming-language)
-    - [FP vs. OOP](#fp-vs-oop)
-    - [Know your design patterns and anti-patterns](#know-your-design-patterns-and-anti-patterns)
-- [Other lists of resources](#other-lists-of-resources)
+  - [Concepts](#concepts)
 
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